return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H12O (2-Butanol, 3-methyl-)

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-272.941364
Energy at 298.15K-272.954560
Nuclear repulsion energy261.912504
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at BLYP/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3670 3659 9.36      
2 A 3047 3038 17.65      
3 A 3029 3020 29.38      
4 A 3021 3012 37.84      
5 A 3007 2998 87.89      
6 A 3003 2994 16.04      
7 A 2999 2990 8.42      
8 A 2955 2946 32.43      
9 A 2953 2944 43.23      
10 A 2949 2940 20.85      
11 A 2929 2920 12.46      
12 A 2865 2856 43.53      
13 A 1486 1481 6.86      
14 A 1474 1470 2.82      
15 A 1467 1462 9.89      
16 A 1461 1456 3.18      
17 A 1458 1453 2.33      
18 A 1456 1452 3.88      
19 A 1391 1387 5.55      
20 A 1373 1368 9.70      
21 A 1367 1363 8.01      
22 A 1363 1359 1.41      
23 A 1330 1326 3.45      
24 A 1308 1304 4.58      
25 A 1302 1298 9.07      
26 A 1234 1230 27.29      
27 A 1158 1155 3.20      
28 A 1140 1137 10.54      
29 A 1102 1099 3.77      
30 A 1055 1052 46.54      
31 A 1010 1007 26.95      
32 A 968 965 4.29      
33 A 938 935 1.64      
34 A 913 910 0.29      
35 A 899 896 22.63      
36 A 850 847 15.41      
37 A 758 755 1.78      
38 A 509 507 2.84      
39 A 443 442 8.20      
40 A 403 402 0.90      
41 A 359 358 2.03      
42 A 352 351 2.00      
43 A 275 274 2.12      
44 A 243 242 89.00      
45 A 232 232 3.71      
46 A 217 217 0.23      
47 A 206 205 0.35      
48 A 76 76 1.77      

Unscaled Zero Point Vibrational Energy (zpe) 34999.7 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 34894.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at BLYP/cc-pVTZ
ABC
0.14367 0.09751 0.06314

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.582 -1.164 0.069
H2 -2.554 -1.108 -0.436
H3 -1.104 -2.110 -0.201
H4 -1.770 -1.174 1.152
C5 1.666 1.072 -0.054
H6 1.328 2.034 0.348
H7 2.665 0.880 0.362
H8 1.763 1.159 -1.143
O9 1.258 -1.341 -0.140
H10 2.140 -1.441 0.257
C11 0.709 -0.073 0.313
H12 0.588 -0.103 1.412
C13 -0.698 0.041 -0.320
H14 -0.549 0.019 -1.412
C15 -1.397 1.367 0.049
H16 -1.494 1.474 1.139
H17 -0.862 2.245 -0.329
H18 -2.409 1.391 -0.373

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 O9 H10 C11 H12 C13 H14 C15 H16 H17 H18
C11.09751.09371.09973.94484.33244.72184.24882.85313.73632.54872.76371.54422.15782.53752.84763.50662.7217
H21.09751.77841.77304.76565.05585.64184.92743.83124.75653.50453.78202.18662.49812.77513.20503.75762.5043
H31.09371.77841.77484.22134.83624.84344.44912.48483.34322.77453.08112.19222.51093.49813.84564.36353.7404
H41.09971.77301.77484.27874.53184.95114.81643.29694.01982.83962.60332.19003.08022.79522.66213.83553.0523
C53.94484.76564.22134.27871.09641.09891.09742.44902.57611.53682.16562.59252.80403.07903.40172.80044.1001
H64.33245.05584.83624.53181.09641.76691.78343.41143.57012.19682.49892.91933.26882.82122.98382.30173.8598
H74.72185.64184.84344.95111.09891.76691.77682.67642.38172.17632.52613.53223.77094.10324.27273.84465.1526
H84.24884.92744.44914.81641.09741.78341.77682.74112.97722.17943.08262.82532.59243.38413.98982.95494.2490
O92.85313.83122.48483.29692.44903.41142.67642.74110.97171.45412.09582.40192.59503.79754.13964.17044.5793
H103.73634.75653.34324.01982.57613.57012.38172.97720.97171.98002.35213.25273.48504.52064.74114.78955.3953
C112.54873.50452.77452.83961.53682.19682.17632.17941.45411.98001.10641.54682.13682.56502.81612.87313.5125
H122.76373.78203.08112.60332.16562.49892.52613.08262.09582.35211.10642.16243.04682.82102.62593.26293.7951
C131.54422.18662.19222.19002.59252.91933.53222.82532.40193.25271.54682.16241.10151.54412.19492.21012.1806
H142.15782.49812.51093.08022.80403.26883.77092.59242.59503.48502.13683.04681.10152.16143.08512.49532.5341
C152.53752.77513.49812.79523.07902.82124.10323.38413.79754.52062.56502.82101.54412.16141.09941.09591.0970
H162.84763.20503.84562.66213.40172.98384.27273.98984.13964.74112.81612.62592.19493.08511.09941.77531.7696
H173.50663.75764.36353.83552.80042.30173.84462.95494.17044.78952.87313.26292.21012.49531.09591.77531.7678
H182.72172.50433.74043.05234.10013.85985.15264.24904.57935.39533.51253.79512.18062.53411.09701.76961.7678

picture of 2-Butanol, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C13 C11 111.082 C1 C13 H14 108.119
C1 C13 C15 110.501 H2 C1 H3 108.508
H2 C1 H4 107.592 H2 C1 C13 110.591
H3 C1 H4 108.028 H3 C1 C13 111.267
H4 C1 C13 110.731 C5 C11 O9 109.902
C5 C11 H12 108.945 C5 C11 C13 114.434
H6 C5 H7 107.191 H6 C5 H8 108.766
H6 C5 C11 111.992 H7 C5 H8 107.997
H7 C5 C11 110.212 H8 C5 C11 110.542
O9 C11 H12 109.117 O9 C11 C13 106.288
H10 O9 C11 107.749 C11 C13 H14 106.357
C11 C13 C15 112.169 H12 C11 C13 108.023
C13 C15 H16 111.148 C13 C15 H17 112.586
C13 C15 H18 110.157 H14 C13 C15 108.410
H16 C15 H17 107.938 H16 C15 H18 107.349
H17 C15 H18 107.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.282      
2 H 0.077      
3 H 0.097      
4 H 0.068      
5 C -0.272      
6 H 0.078      
7 H 0.068      
8 H 0.086      
9 O -0.335      
10 H 0.182      
11 C 0.145      
12 H 0.040      
13 C 0.032      
14 H 0.060      
15 C -0.288      
16 H 0.074      
17 H 0.084      
18 H 0.086      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.753 0.920 0.749 1.405
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.590 -0.794 1.955
y -0.794 -42.801 -1.151
z 1.955 -1.151 -40.685
Traceless
 xyz
x 4.153 -0.794 1.955
y -0.794 -3.663 -1.151
z 1.955 -1.151 -0.489
Polar
3z2-r2-0.979
x2-y25.211
xy-0.794
xz1.955
yz-1.151


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 199.392
(<r2>)1/2 14.121